Clean SSAO Provider.

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@15055 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/graphics/callbacks.cpp

@@ -496,26 +496,6 @@ void MLAANeigh3Provider::OnSetConstants(IMaterialRendererServices *srv, int)
 
 //-------------------------------------
 
-void SSAOProvider::OnSetConstants(IMaterialRendererServices *srv, int)
-{
-    srv->setPixelShaderConstant("invprojm", irr_driver->getInvProjMatrix().pointer(), 16);
-    srv->setPixelShaderConstant("projm", irr_driver->getProjMatrix().pointer(), 16);
-    srv->setPixelShaderConstant("samplePoints[0]", array, 64);
-
-    if (!firstdone)
-    {
-        int tex = 0;
-        srv->setPixelShaderConstant("normals_and_depth", &tex, 1);
-
-        tex = 1;
-        srv->setPixelShaderConstant("depth", &tex, 1);
-
-        firstdone = true;
-    }
-}
-
-//-------------------------------------
-
 void GodRayProvider::OnSetConstants(IMaterialRendererServices *srv, int)
 {
     srv->setPixelShaderConstant("sunpos", m_sunpos, 2);

src/graphics/callbacks.hpp

@@ -422,39 +422,6 @@ public:
 
 //
 
-class SSAOProvider: public CallBase
-{
-private:
-    float array[64];
-public:
-    SSAOProvider() : CallBase() {
-      for (unsigned i = 0; i < 16; i++) {
-        // Generate x/y component between -1 and 1
-        // Use double to avoid denorm and get a true uniform distribution
-        double x = rand();
-        x /= RAND_MAX;
-        x = 2 * x - 1;
-        double y = rand();
-        y /= RAND_MAX;
-        y = 2 * y - 1;
-
-        // compute z so that norm (x,y,z) is one
-        double z = sqrt(x * x + y * y);
-        // Norm factor
-        double w = rand();
-        w /= RAND_MAX;
-        array[4 * i] = (float)x;
-        array[4 * i + 1] = (float)y;
-        array[4 * i + 2] = (float)z;
-        array[4 * i + 3] = (float)w;
-      }
-    }
-
-    virtual void OnSetConstants(video::IMaterialRendererServices *srv, int);
-};
-
-//
-
 class GodRayProvider: public CallBase
 {
 public:

src/graphics/shaders.cpp

@@ -49,7 +49,6 @@ Shaders::Shaders()
     m_callbacks[ES_MLAA_COLOR1] = new MLAAColor1Provider();
     m_callbacks[ES_MLAA_BLEND2] = new MLAABlend2Provider();
     m_callbacks[ES_MLAA_NEIGH3] = new MLAANeigh3Provider();
-    m_callbacks[ES_SSAO] = new SSAOProvider();
     m_callbacks[ES_GODRAY] = new GodRayProvider();
     m_callbacks[ES_SHADOWPASS] = new ShadowPassProvider();
     m_callbacks[ES_SHADOW_IMPORTANCE] = new ShadowImportanceProvider();
@@ -155,8 +154,6 @@ void Shaders::loadShaders()
     m_shaders[ES_MLAA_NEIGH3] = glsl(dir + "mlaa_offset.vert", dir + "mlaa_neigh3.frag",
                                     m_callbacks[ES_MLAA_NEIGH3]);
 
-    m_shaders[ES_SSAO] = glsl(dir + "pass.vert", dir + "ssao.frag", m_callbacks[ES_SSAO]);
-
     m_shaders[ES_GODFADE] = glsl(std::string(""), dir + "godfade.frag", m_callbacks[ES_COLORIZE]);
     m_shaders[ES_GODRAY] = glsl(std::string(""), dir + "godray.frag", m_callbacks[ES_GODRAY]);
 

src/graphics/shaders.hpp

@@ -51,7 +51,6 @@ using namespace irr;
     ACT(ES_MLAA_COLOR1) \
     ACT(ES_MLAA_BLEND2) \
     ACT(ES_MLAA_NEIGH3) \
-    ACT(ES_SSAO) \
     ACT(ES_GODFADE) \
     ACT(ES_GODRAY) \
     ACT(ES_SHADOWPASS) \